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Issue with Jamma to Scart adapter
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Topic: Issue with Jamma to Scart adapter (Read 1878 times)
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telonio
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I want to build my own arcade controls!
Issue with Jamma to Scart adapter
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on:
February 10, 2018, 01:35:27 pm »
Hello all,
I have this Jamma to Scart adapter and the tv screen is not right. When I power up the power supply the tv changes to av1 as it should be. However the picture is not right, after a while the tv loses the signal and then it finds it again, but the picture is somehow distorted. Also there is a hissing sound from tv. Tv keeps losing the signal again and again.
Please see the video I recorded here:
https://www.youtube.com/watch?v=4n-_M8DJ8LU&feature=youtu.be
Any ideas why this is happening?
Thanks
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lilshawn
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Re: Issue with Jamma to Scart adapter
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Reply #1 on:
February 13, 2018, 05:41:49 pm »
I personally would contact retroelectronik directly. perhaps there is something wrong with it.
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baritonomarchetto
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Re: Issue with Jamma to Scart adapter
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Reply #2 on:
February 14, 2018, 01:54:34 am »
Are you sure the pcb is ok? Are you sure the tv is ok? Check every item "on the line" first to isolate the problem.
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telonio
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I want to build my own arcade controls!
Re: Issue with Jamma to Scart adapter
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Reply #3 on:
February 14, 2018, 10:00:40 am »
Yes, if I use a supergun with the same pcb then the picture is perfect. Also the tv is working properly with supergun or any other device.
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baritonomarchetto
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Re: Issue with Jamma to Scart adapter
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Reply #4 on:
February 14, 2018, 10:29:07 am »
Considering how elementar that connector is, check solders and traces and you will find the cause of the issue
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Issue with Jamma to Scart adapter